172920003

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 249495552

約数和(自身を除く): 76575549

約数列:

[1, 3, 23, 47, 69, 71, 141, 213, 751, 1081, 1633, 2253, 3243, 3337, 4899, 10011, 17273, 35297, 51819, 53321, 76751, 105891, 159963, 230253, 811831, 1226383, 2435493, 2506087, 3679149, 7518261, 57640001, 172920003]

約数ペア:

[(1, 172920003), (3, 57640001), (23, 7518261), (47, 3679149), (69, 2506087), (71, 2435493), (141, 1226383), (213, 811831), (751, 230253), (1081, 159963), (1633, 105891), (2253, 76751), (3243, 53321), (3337, 51819), (4899, 35297), (10011, 17273)]